311050423213105 has 4 divisors (see below), whose sum is σ = 373260507855732. Its totient is φ = 248840338570480.

The previous prime is 311050423213067. The next prime is 311050423213169. The reversal of 311050423213105 is 501312324050113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 181222105439376 + 129828317773729 = 13461876^2 + 11394223^2 .

It is not a de Polignac number, because 311050423213105 - 2¹⁵ = 311050423180337 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31105042321306 + ... + 31105042321315.

It is an arithmetic number, because the mean of its divisors is an integer number (93315126963933).

Almost surely, 2^{311050423213105} is an apocalyptic number.

It is an amenable number.

311050423213105 is a deficient number, since it is larger than the sum of its proper divisors (62210084642627).

311050423213105 is an equidigital number, since it uses as much as digits as its factorization.

311050423213105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62210084642626.

The product of its (nonzero) digits is 10800, while the sum is 31.

Adding to 311050423213105 its reverse (501312324050113), we get a palindrome (812362747263218).

The spelling of 311050423213105 in words is "three hundred eleven trillion, fifty billion, four hundred twenty-three million, two hundred thirteen thousand, one hundred five".